'use strict';

const DEFAULT_MAX = 1000;

/**
 * Returns { ok: true } if current row count < max, else { ok: false, message }.
 * Pure: takes a db-like object so tests can mock.
 */
function checkAgainstCap(db, max = DEFAULT_MAX) {
  const n = db.prepare('SELECT COUNT(*) AS n FROM favorites').get().n;
  if (n < max) return { ok: true };
  return { ok: false, message: `已达收藏上限 ${max} 条` };
}

module.exports = { checkAgainstCap, DEFAULT_MAX };